22011121120057 has 2 divisors, whose sum is σ = 22011121120058. Its totient is φ = 22011121120056.

The previous prime is 22011121119983. The next prime is 22011121120061. The reversal of 22011121120057 is 75002112111022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17737077594681 + 4274043525376 = 4211541^2 + 2067376^2 .

It is a cyclic number.

It is not a de Polignac number, because 22011121120057 - 2¹¹ = 22011121118009 is a prime.

It is not a weakly prime, because it can be changed into another prime (22011121120657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005560560028 + 11005560560029.

It is an arithmetic number, because the mean of its divisors is an integer number (11005560560029).

Almost surely, 2^{22011121120057} is an apocalyptic number.

It is an amenable number.

22011121120057 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011121120057 is an equidigital number, since it uses as much as digits as its factorization.

22011121120057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 25.

Adding to 22011121120057 its reverse (75002112111022), we get a palindrome (97013233231079).

The spelling of 22011121120057 in words is "twenty-two trillion, eleven billion, one hundred twenty-one million, one hundred twenty thousand, fifty-seven".